Organ system

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Across
  1. 3. make hormones and release them directly into the blood
  2. 6. breathing involved
  3. 7. largest organ of the human body
  4. 8. organ of the skeletal system that provides support
  5. 9. Circulates blood and lymph through the body
  6. 10. store urine
  7. 16. produce, store, and carry white blood cells that fight infections and other diseases
  8. 18. organs forming the outermost layer of an animal's body
  9. 20. regulates the chemical composition of body fluids
  10. 21. carry blood and lymph fluid through the body
  11. 22. produce sperm
Down
  1. 1. stores and filters blood
  2. 2. runs through the center of your back
  3. 4. Take in food and liquids and break them down
  4. 5. Responsible for movement
  5. 11. organs and tissues that help you breathe
  6. 12. To produce egg and sperm cells
  7. 13. pumps blood through your body
  8. 14. where food is stored
  9. 15. growth and development
  10. 17. made up of the spinal cord
  11. 19. Body's central framework